<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-show="searchParams.categoryName">{{searchParams.categoryName}}<i @click="removeCategoryName">×</i></li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-show="searchParams.keyword">{{searchParams.keyword}}<i @click="removeKeyword">×</i></li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-show="searchParams.trademark">{{trademarkName}}<i @click="removeTrademark">×</i></li>
            <!-- 售卖属性的面包屑 -->
            <li class="with-x" v-show="searchParams.props" v-for="(prop,index) in searchParams.props" :key="index">{{prop.split(':')[1]}}<i @click="removeAttrInfo(index)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>

        <!--details-->
        <div class="details clearfix">
          <!-- 价格结构 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:isOne}">
                  <a href="#" @click="changeOrder('1')">综合<i class="iconfont icon-down-circle" v-show="isOne&&isDesc"></i><i class="iconfont icon-up-circle" v-show="isOne&&isAsc"></i></a>
                </li>
                <li :class="{active:isTwo}">
                  <a href="#" @click="changeOrder('2')">价格<i class="iconfont icon-down-circle" v-show="isTwo&&isDesc"></i><i class="iconfont icon-up-circle" v-show="isTwo&&isAsc"></i></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 产品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{good.price}}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :to="`/detail/${good.id}`">
                      {{good.title}}
                    </router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页 -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :continues="5" :total="total" @getPageNo='getPageNo'/>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import {mapState,mapGetters} from 'vuex'
import SearchSelector from './SearchSelector/SearchSelector'
export default {
  name: 'Search',
  components: {
    SearchSelector
  },
  data() {
    return {
      // 带给服务器的参数
      searchParams:{
        //一级分类ID
        "category1Id": "",
        //二级分类ID
        "category2Id": "",
        //三级分类ID
        "category3Id": "",
        //选中分类的名字
        "categoryName": "",
        //搜索关键字
        "keyWord": "",
        //排序：初识状态综合|降序
        "order": "1:desc",
        //分页器参数，代表当前是第几页
        "pageNo": 1,
        //代表每一页展示个数
        "pageSize": 5,
        //代表平台售卖属性
        "props": [],
        //品牌
        "trademark": ""
      },
      trademarkName:''
    }
  },
  methods: {
    // 获取数据
    getData() {
      this.$store.dispatch('search/getSearchList',this.searchParams)
    },
    //删除分类的面包屑
    removeCategoryName(){
      // 把参数置空，还需要发送请求
      // 带给服务器参数可有可无，所以变为undefined 不会带给服务器
      this.searchParams.categoryName=undefined;
      this.searchParams.category1Id=undefined;
      this.searchParams.category2Id=undefined;
      this.searchParams.category3Id=undefined;
      this.getData()
      // 地址栏也需要修改，进行路由跳转
      // 严谨：本意是删除query所以路径中的params不应该删除
      if(this.$route.params)
      this.$router.push({name:'search',params:this.$route.params})
    },
    // 删除关键字的面包屑
    removeKeyword(){
      this.searchParams.keyword=undefined;
      this.getData()
      // 清除搜索栏关键字
      this.$bus.$emit('clear')
      if(this.$route.query)
      this.$router.push({name:'search',query:this.$route.query})
    },
    // 自定义事件回调(获取子组件的trademark)
    trademarkInfo(trademark){
      //整理参数
      this.searchParams.trademark= `${trademark.tmId}:${trademark.tmName}`;
      // 发送请求
      this.getData();
      this.trademarkName=trademark.tmName;
    },
    // 删除品牌的面包屑
    removeTrademark(){
      this.searchParams.trademark=undefined;
      this.getData()
    },
    // 自定义事件回调(获取子组件的平台属性attr)
    attrInfo(attr,attrVlue){
      //整理参数
      this.searchParams.props.push(`${attr.attrId}:${attrVlue}:${attr.attrName}`);
      this.getData();
    },
    // 删除品牌的面包屑
    removeAttrInfo(index){
      this.searchParams.props.splice(index,1);
      this.getData();
    },
    //排序的操作,flag形参是标记，代表用户点击的是综合还是价格
    changeOrder(flag){
      // 这里获取到的是最开始的状态
      let originFlag = this.searchParams.order.split(':')[0];
      let originSort = this.searchParams.order.split(':')[1];
      // 准备新的一个order属性值
      let newOrder='';
      // 这个语句我能确定点击的一定是综合
      if(flag==originFlag) {
        newOrder = `${originFlag}:${originSort=='desc'?'asc':'desc'}`;
      }else{
        // 点击的是价格
        newOrder = `${flag}:${'desc'}`
      }
      // 将新的order复制给searchParams
      this.searchParams.order=newOrder
      // 发送请求
      this.getData()
    },
    // 自定义事件回调(获取当前第几页）
    getPageNo(pageNo){
     this.searchParams.pageNo=pageNo;
     this.getData();
    }
  },
  computed:{
    ...mapGetters('search',['goodsList']),
    // 获取一共展示多少条数据
    ...mapState({
      total:state=>state.search.searchList.total
    }),
    isOne(){
      return this.searchParams.order.includes('1')
    },
    isTwo(){
      return this.searchParams.order.includes('2')
    },
    isDesc(){
      return this.searchParams.order.includes('desc')
    },
    isAsc(){
      return this.searchParams.order.includes('asc')
    },
    
  },
  beforeMount() {
    //object.assign合并对象
    // 在发请求之前，整理传递的参数
    Object.assign(this.searchParams,this.$route.query,this.$route.params)
  },
  //数据监听：监听组件实力身上的属性值变化
  watch:{
    //监听路由的信息是否发生变化，如果发生变化，再次发起请求
    $route(){
      Object.assign(this.searchParams,this.$route.query,this.$route.params)
      this.getData();
      //每次请求完毕，应该把相应的1，，2，3级分类id置空
      this.searchParams.category1Id=undefined;
      this.searchParams.category2Id=undefined;
      this.searchParams.category3Id=undefined;
    }
  },
  mounted() {
    this.getData()
  },
}
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }

        .page {
          width: 733px;
          height: 66px;
          overflow: hidden;
          float: right;

          .sui-pagination {
            margin: 18px 0;

            ul {
              margin-left: 0;
              margin-bottom: 0;
              vertical-align: middle;
              width: 490px;
              float: left;

              li {
                line-height: 18px;
                display: inline-block;

                a {
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  border: 1px solid #e0e9ee;
                  margin-left: -1px;
                  font-size: 14px;
                  padding: 9px 18px;
                  color: #333;
                }

                &.active {
                  a {
                    background-color: #fff;
                    color: #e1251b;
                    border-color: #fff;
                    cursor: default;
                  }
                }

                &.prev {
                  a {
                    background-color: #fafafa;
                  }
                }

                &.disabled {
                  a {
                    color: #999;
                    cursor: default;
                  }
                }

                &.dotted {
                  span {
                    margin-left: -1px;
                    position: relative;
                    float: left;
                    line-height: 18px;
                    text-decoration: none;
                    background-color: #fff;
                    font-size: 14px;
                    border: 0;
                    padding: 9px 18px;
                    color: #333;
                  }
                }

                &.next {
                  a {
                    background-color: #fafafa;
                  }
                }
              }
            }

            div {
              color: #333;
              font-size: 14px;
              float: right;
              width: 241px;
            }
          }
        }
      }
    }
  }
</style>